以不同粒径的苯乙烯-丙稀酸(酯)共聚物(PSA)乳胶粒为模板,制备出均匀的PSA/CdS核壳复合结构的微球,用有机溶剂溶去模板PSA后,分别制备了不同粒径的CdS空心微球.透射电镜分析结果表明,以直径250、340和600nm的PSA乳胶粒为模板,所得CdS空心球的粒径均匀,直径分别为340、450和800nm.紫外可见吸收光谱显示3个CdS空心球样品的最大吸收分别为480nm、410nm和485nm.
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